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 A046565 First numerator and then denominator of each element of the 1/4-Pascal triangle (by row), excluding 1's. 0
 4, 5, 4, 5, 4, 9, 4, 5, 2, 9, 4, 13, 4, 19, 4, 19, 4, 13, 4, 17, 4, 8, 19, 2, 8, 17, 4, 21, 4, 49, 4, 35, 2, 35, 2, 49, 4, 21, 4, 25, 4, 35, 2, 119, 4, 35, 119, 4, 35, 2, 25, 4, 29, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE 1/1; --> 1/1 1/1; --> 1/1 1/4 1/1; --> 4 1/1 5/4 5/4 1/1; --> 5 4 5 4 1/1 9/4 5/2 9/4 1/1;  --> ... 1/1 13/4 19/4 19/4 13/4 1/1; 1/1 17/4 8/1 19/2 8/1 17/4 1/1; 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ... CROSSREFS Cf. A046563. Sequence in context: A010710 A021026 A126128 * A046598 A245078 A276868 Adjacent sequences:  A046562 A046563 A046564 * A046566 A046567 A046568 KEYWORD tabf,nonn,frac,less AUTHOR STATUS approved

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Last modified February 21 05:23 EST 2020. Contains 332086 sequences. (Running on oeis4.)